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"Launching the Moscow-Kazan line is just the first step. It could be the pilot section of a future route, which will connect the central region, the Volga region and the Urals, possibly, it is necessary to think about it, to calculate economic rationale behind it, it could even be continued up to Krasnoyarsk," Putin said at a meeting dedicated to the construction of the Moscow-Kazan high-speed railroad.

Such routes are efficient only if a trip lasts approximately eight hours, Putin said.

"Such lines would definitely be in demand between Siberian cities," he said.

It is necessary to calculate the volume of possible passenger traffic if such a project is implemented, Putin said.